Wiseco Harley 1340 8.51(3537X-4722P4) Piston Kit

Wiseco Harley 1340 8.51(3537X-4722P4) Piston Kit

Marsoni

M251S

$198.59

Get it in 3 business days with 1 day shipping. Friday, May 29

Wiseco Harley 1340 8.51(3537X-4722P4) Piston KitV Twin performance has been around since some of the earliest days of motorcycle racing and engine modification, and Wiseco has been there since the beginning. Applying over 80 years of experience, Wiseco has fine tuned its V Twin pistons for each specific engine platform to optimize performance and durability. From reliable rebuilds to all out race, Wiseco has the pistons for your V Twin build. This Part Fits: Year Make Model Submodel 1994 1998

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The quality of these is very good. They break the wind very well. Too well, actually. On my bike when going above 60 MPH they press hard enough on the clutch to be a problem. I'm sure I'll still use them but they won't be of any value on the interstate. It's possible to hold the clutch while using them but, for me at least, I don't have the strength to do it for my 45 minute commute. Unfortunately, the openings seem to fold up making it difficult to get gloved hands into them quickly, which is my reason for subtracting a star.

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Reviewed in the United States on November 12, 2025

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Fabian

Bozeman, US

★★★★★ 5

Sedan

Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Chrome, Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Chrome

Perfect fit for a 2002 325i sedan, locks in place and does not fall out.

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Reviewed in the United States on March 4, 2026

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Charles Livingston

San Leandro, US

★★★★★ 5

Perfect fit

Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Glossy Black

Perfect fit for the 2004 E46 BMW.

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Reviewed in the United States on October 20, 2025

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New York, US

★★★★★ 4

Price

Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Glossy Black M-Color Dual Line

I installed this on an e46 325ix sedan, they only worked, one of them is just a little loose. I don't know how long they last, because every time I open the bonnet, the lever bothers me a little?

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Reviewed in the United States on March 19, 2023

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Xavier Melendez

Cuba, US

★★★★★ 1

Not proper size

Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Glossy Black, Size: Compatible with 2002-2006 BMW E46 3-Series Sedan, Color: Glossy Black

Driver side is smaller and every time I open the hood it fall down. I have to bend the lever to open the hood to install it. It look good but I’m not happy with it and I’m scared ti drop it while I’m driving. I have to check on it every where I go to be sure didn’t fall

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Reviewed in the United States on April 4, 2023